Home / 26,702.99-40,044.90-7,979.54

Finding the Fourth Proportional to 26,702.99, 40,044.90 and 7,979.54

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Solution

The fourth proportional to 26,702.99, 40,044.90 and 7,979.54 is: 11,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.99 : 40,044.90 = 7,979.54 : x
  2. Step 2: Convert to fraction form
    26,702.99/40,044.90 = 7,979.54/x
  3. Step 3: Cross multiply
    26,702.99x = 40,044.90 × 7,979.54
  4. Step 4: Simplify right side
    26,702.99x = 319,539,681.12
  5. Step 5: Solve for x
    x = 319,539,681.12/26,702.99
  6. Step 6: Final answer
    x = 11,966.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.